Hi., I can understand your concern.
It can be due to viral infection.
You can take antibiotics with supportive medication. Will be fine with that.
Take augmentin 625 twice a day after food for 5 days.
Tab pan 40 twice a day before food for 5 days.
Tab zerodol sp twice a day after food for 5 days
Tab montek lc at night after food for 5 days.
Next Steps
plan for CBC
if issue persist.
Health Tips
drink warm water
avoid oily spicy processed and cold items.